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net: team: check register_netdevice_notifier() error in team_module_init()

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team_module_init() ignores register_netdevice_notifier() errors and
continues module initialization, which can leave the team module loaded
without its netdev notifier registered.

Check the error and fail module initialization early.

This is a future looking check, register_netdevice_notifier()
only fails on double registration or if the registered notifier
itself returns an error.

Signed-off-by: Minhong He <heminhong@kylinos.cn>
Link: https://patch.msgid.link/20260803085943.142261-1-heminhong@kylinos.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Minhong He 2026-08-03 16:59:43 +08:00 committed by Jakub Kicinski
parent e43e9d7cab
commit c1293e4a34
1 changed files with 3 additions and 1 deletions
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4
drivers/net/team/team_core.c
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@ -3229,7 +3229,9 @@ static int __init team_module_init(void)
{
int err;
register_netdevice_notifier(&team_notifier_block);
err = register_netdevice_notifier(&team_notifier_block);
if (err)
return err;
err = rtnl_link_register(&team_link_ops);
if (err)